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Integration of 5G Experimentation Infrastructures into a Multi-Site NFV Ecosystem

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Published on: February 3, 2021

Multi-Domain SDN Survivability for Agricultural Wireless Sensor Networks.

Tao Huang^1,2, Siyu Yan^3,4, Fan Yang^5,6

¹State Key Laboratory of Networking and Switching Technology, BUPT, Beijing 100876, China. htao@bupt.edu.cn.

Sensors (Basel, Switzerland)

|November 10, 2016

Summary

This study introduces an Open vSwitch extension to improve the survivability of multi-domain Software-Defined Wireless Sensor Networks (SDWSNs) in agriculture. The solution ensures stable communication and quick recovery during controller failures, enhancing precision agriculture.

Keywords:

multi-domain SDN network survivability wireless sensor network in agriculture

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Continuous Instream Monitoring of Nutrients and Sediment in Agricultural Watersheds

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Published on: September 26, 2017

Area of Science:

Computer Science
Agricultural Engineering

Background:

Wireless Sensor Networks (WSNs) are crucial in agriculture.
Multi-domain Software-Defined Networks (SDNs) enhance resource utilization and management.
Integrating SDNs into agricultural WSNs creates multi-domain SDWSNs.

Purpose of the Study:

To address communication abnormalities and info-updating issues in multi-domain SDWSNs during controller failures.
To enhance the survivability and stability of agricultural networks.

Main Methods:

Proposed a novel approach using an Open vSwitch extension for multi-domain SDWSNs.
Designed a connection-state mechanism, L2/L3 communication mechanisms, and an info-updating mechanism.
Implemented and tested the solution in agricultural inter-domain and intra-domain scenarios.

Main Results:

Achieved rapid failure recovery mode entry for sensor switches during controller outages.
Maintained stable throughput and low packet loss below 300 ms recovery time.
Ensured smooth network control restoration upon controller availability.

Conclusions:

The Open vSwitch extension significantly enhances the survivability and stability of multi-domain SDWSNs.
This approach is vital for reliable precision agriculture applications.
The proposed mechanisms effectively mitigate controller failure impacts.